自从20世纪80年代电脑特效被大量应用于科幻影片之后,各种外星人入侵地球的设想便纷纷涌现出来了,从1996年的《独立日》到2011年的《洛杉矶之战》,再到2012年的《超级战舰》。即便是作为天体物理学家的霍金也对此表达了自己的担忧并引发媒体的广泛关注,他表示人类不应该尝试跟外星人取得联络,因为那样将可能招来入侵。然而,芬兰阿尔托大学的詹尼·库尔霍尼纳在一份新发表的论文中, Since the 1980s when computer effects have been heavily used in science fiction films, a variety of alien invaders have emerged from the Earth, from “Independence Day” in 1996 to “Battle of Los Angeles in 2011” and then to 2012 “super battleship.” Even as an astrophysicist, Hawking expressed his concern and aroused widespread media attention. He said that mankind should not try to get in touch with the aliens, because that would probably invite invaders. However, in a newly published paper, Jenni Kurhunina of Aalto University in Finland,